cbc_code128.cpp

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// Copyright 2016 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
/*
 * Copyright 2011 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#include "fxbarcode/cbc_code128.h"
 
#include <memory>
 
#include "core/fxcrt/fx_coordinates.h"
#include "fxbarcode/oned/BC_OnedCode128Writer.h"
 
CBC_Code128::CBC_Code128(BC_TYPE type)
    : CBC_OneCode(std::make_unique<CBC_OnedCode128Writer>(type)) {}
 
CBC_Code128::~CBC_Code128() = default;
 
bool CBC_Code128::Encode(WideStringView contents) {
  auto* pWriter = GetOnedCode128Writer();
  if (!pWriter->CheckContentValidity(contents))
    return false;
 
  WideString content(contents);
  if (contents.GetLength() % 2 && pWriter->GetType() == BC_TYPE::kCode128C)
    content += '0';
 
  m_renderContents = pWriter->FilterContents(content.AsStringView());
  ByteString byteString = m_renderContents.ToUTF8();
  return pWriter->RenderResult(m_renderContents.AsStringView(),
                               pWriter->Encode(byteString));
}
 
bool CBC_Code128::RenderDevice(CFX_RenderDevice* device,
                               const CFX_Matrix& matrix) {
  return GetOnedCode128Writer()->RenderDeviceResult(
      device, matrix, m_renderContents.AsStringView());
}
 
BC_TYPE CBC_Code128::GetType() {
  return BC_TYPE::kCode128;
}
 
CBC_OnedCode128Writer* CBC_Code128::GetOnedCode128Writer() {
  return static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get());
}